Fatigue failure analysis of pin-loaded lugs

被引：4
|
作者：
Boljanovic, Slobodanka [1 ]
Maksimovic, Stevan [2 ]
机构：
[1] Serbian Acad Arts & Sci, Math Inst, Kneza Mihaila 36, Belgrade, Serbia
[2] VTI Aeronaut Dept, Ratka Resanov 1, Belgrade, Serbia
来源：
FRATTURA ED INTEGRITA STRUTTURALE | 2016年 / 35期
关键词：
Cyclic loading; Strength estimation; Crack path; Semi-elliptical crack at a hole; FEM;
D O I：
10.3221/IGF-ESIS.35.36
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper, mathematical models are proposed in order to analyze the strength of pinloaded lugs with semi-elliptical crack and through-the-thickness crack. The crack growth investigation of considered crack configurations tackles the fatigue life evaluation and the crack path simulation of semi-elliptical crack. The residual strength is estimated by applying the two-parameter driving force model. The numerical and analytical approaches are employed for the stress intensity factor calculation. Experimental fatigue crack growth data are used in order to verify efficiency of the developed models. A good correlation between fatigue crack growth estimations and experimental observations is obtained.
引用
收藏
页码：313 / 321
页数：9
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